<!DOCTYPE html>
<meta charset="utf-8">
<title>MathML and ::first-line/::first-letter pseudo-elements</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#legacy-mathml-style-attributes">
<link rel="match" href="first-line-first-letter-pseudo-elements-004-ref.html"/>
<meta name="assert" content="::first-letter/::first-line works for HTML elements inside MathML.">
<style>
  .firstline::first-line { background: lightgreen; }
  .firstletter::first-letter { background: lightgreen; }
</style>
<ol>
  <li>PASS if first line is green:
    <math>
      <mtext><span class="firstline">Hello,<br/>World!</span></mtext>
    </math>
  </li>
  <li>PASS if first letter is green:
    <math>
      <mtext><span class="firstletter">Hello, World!</span></mtext>
    </math>
  </li>
</ol>
